NAG Library Manual, Mark 30.1
```
nag_opt_handle_solve_dfls_rcomm (e04fgc) Example Program Results

---------------------------------------------------------------------------
E04F(F|G), Derivative-free solver for nonlinear least squares functions
---------------------------------------------------------------------------

Begin of Options
Print File                    =                   6     * d
Print Level                   =                   2     * d
Print Options                 =                 Yes     * d
Print Solution                =                 All     * U
Monitoring File               =                  -1     * d
Monitoring Level              =                   4     * d
Dfo Print Frequency           =                   1     * d
Dfo Monitor Frequency         =                   0     * d

Infinite Bound Size           =         1.00000E+20     * d
Stats Time                    =                  No     * d
Time Limit                    =         1.00000E+06     * d

Dfo Initial Interp Points     =          Coordinate     * d
Dfo Max Objective Calls       =                 500     * d
Dfo Max Soft Restarts         =                   5     * d
Dfo Max Unsucc Soft Restarts  =                   3     * d
Dfo Maximum Slow Steps        =                  20     * d
Dfo Noise Level               =         0.00000E+00     * d
Dfo Noisy Problem             =                  No     * d
Dfo Number Initial Points     =                   0     * d
Dfo Number Interp Points      =                   0     * d
Dfo Number Soft Restarts Pts  =                   3     * d
Dfo Random Seed               =                  -1     * d
Dfo Starting Trust Region     =         1.00000E-01     * d
Dfo Trust Region Slow Tol     =         1.02648E-04     * d
Dfo Trust Region Tolerance    =         5.00000E-06     * U
Dfo Version                   =              Latest     * d
Dfls Small Residuals Tol      =         1.08158E-12     * d
End of Options

Problem Statistics
No of variables                  2
free (unconstrained)           0
bounded                        2
Objective function    LeastSquares
No of residuals                2

----------------------------------------
step |    obj        rho    |    nf   |
----------------------------------------
1 |  4.02E+00  1.00E-01  |     4   |
2 |  3.66E+00  1.00E-01  |     5   |
3 |  3.48E+00  1.00E-01  |     6   |
4 |  2.32E+00  1.00E-01  |     9   |
5 |  1.94E+00  1.00E-01  |    10   |
6 |  1.63E+00  1.00E-01  |    12   |
7 |  9.65E-01  1.00E-01  |    14   |
8 |  7.29E-01  1.00E-01  |    16   |
9 |  4.77E-01  1.00E-01  |    19   |
10 |  1.29E-01  1.00E-01  |    21   |
11 |  5.70E-02  1.00E-01  |    23   |
12 |  2.21E-04  1.00E-01  |    25   |
13 |  1.28E-04  1.00E-02  |    26   |
14 |  1.36E-08  1.00E-03  |    28   |
15 |  1.03E-23  5.00E-06  |    32   |
----------------------------------------
Status: Converged, small residuals

Value of the objective                    1.03447E-23
Number of objective function evaluations           32
Number of steps                                    15

Primal variables:
idx   Lower bound       Value       Upper bound
1  -1.50000E+00    1.00000E+00    2.00000E+00
2  -2.00000E+00    1.00000E+00         inf
```